Stephanie Porfiris of The Knowledge Society explains Blockchain

Cryptocurrencies are online or digital currency that use cryptography as a security feature. They exist on a platform called the blockchain. The blockchain is decentralized. This means that no single person is fully in charge.

New kid on the blockchain

Welcome to the first in a series of videos featuring the young brilliant minds from The Knowledge Society in Ontario. In this feature, 15-year old Stephanie Porfiris explains blockchain and cryptocurrencies.